738125042 has 6 divisors (see below), whose sum is σ = 1107245199. Its totient is φ = 369043310.

The previous prime is 738125027. The next prime is 738125077. The reversal of 738125042 is 240521837.

It can be written as a sum of positive squares in only one way, i.e., 369062521 + 369062521 = 19211^2 + 19211^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=19211.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 28817 + ... + 48027.

Almost surely, 2^738125042 is an apocalyptic number.

738125042 is a deficient number, since it is larger than the sum of its proper divisors (369120157).

738125042 is an frugal number, since it uses more digits than its factorization.

738125042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38424 (or 19213 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 738125042 is about 27168.4567467495. The cubic root of 738125042 is about 903.7396013309.

Multiplying 738125042 by its sum of digits (32), we get a square (23620001344 = 153688²).

Adding to 738125042 its reverse (240521837), we get a palindrome (978646879).

It can be divided in two parts, 7381 and 25042, that added together give a palindrome (32423).

The spelling of 738125042 in words is "seven hundred thirty-eight million, one hundred twenty-five thousand, forty-two".